Our policy is one of constant development and improvement.

The foundations of theatre are integral to Mark's constant development.

Since then the establishment has undergone constant development which continues to this day.

"You begin to walk away from that constant development of new policies," he said today.

For that you lack a few centuries of constant development.

Throughout the war, the P-47 would undergo constant development.

The modern technical society introduced by the West, however, was based on the expectation of constant development and progress.

The product technology was also complex and in a state of constant development.

The first version of the software was released in 1998 and has undergone constant further development ever since.

While the Communists were in power, "there was constant development and people lived quite well," he said.